54 entries under support topic. ×

3
confirm(verb, maintain, back, declare)
2
assertion(noun, claim, assurance, promise)
2
contend(verb, hold, press, maintain)
2
insurance(noun, agreement, contract, assurance)
2
say so(verb, expression, maintain, agree)
2
substantiate(verb, maintain, back, declare)
2
swear to(verb, expression, maintain, back)
2
swear up and down(verb, expression, idiom, phrasal verb)
2
verify(verb, maintain, back, declare)
1
act as a witness(verb, expression, idiom, maintain)
1
affirmation(noun, agreement, claim, contract)
1
answer for(verb, expression, maintain, agree)
1
attest to(verb, expression, maintain, back)
1
avert(verb, maintain, back, declare)
1
be responsible for(verb, maintain, back, declare)
1
bear testimony(verb, expression, maintain, back)
1
corroborate(verb, maintain, back, declare)
1
cosign(verb, maintain, back, declare)
1
get behind(verb, expression, maintain, back)
1
give an affidavit(verb, expression, idiom, maintain)
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APASmart Define. (2015). vow thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vow/thesaurus/synonyms
ChicagoSmart Define. 2015. "vow thesaurus" https://smartdefine.org/vow/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, vow thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vow/thesaurus/synonyms>.
MLASmart Define. "vow thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/vow/thesaurus/synonyms>